Katie Swan vs Kayla Day Head to Head Tennis Stats and Match Analysis

Katie Swan and Kayla Day have met 4 times in professional competition, with the series tied at 2-2. Their most recent encounter was in January 2026 at W100 San Diego CA, where Kayla Day prevailed on hard court 6-7(7) 6-2 6-2.

Katie Swan: Against opponents ranked outside top 100 players in the last 52 weeks, Katie Swan holds a 45-18 record (71.4%). Throughout her career, she has competed against opponents ranked outside top 100 350 times, winning 228 (65.1%). Over the past 10 matches, she holds a 8-2 record. Over the past 52 weeks, Katie Swan has posted a 47-20 record (70.1% win rate). Over her career at WTA level, Katie Swan holds a record of 5-5 (50.0%) on hard and 2-13 (13.3%) on grass. At Challenger/ITF level: 178-80 (69.0%) on hard, 10-8 (55.6%) on grass, and 9-15 (37.5%) on clay. In the last 52 weeks: 0-1 on hard at WTA level. 39-14 (73.6%) on hard and 3-2 (60.0%) on grass at Challenger/ITF level. Katie Swan has won 17 titles at Challenger/ITF level (all on hard). Katie Swan serves an average of 3.3 aces per match in the last 52 weeks, consistent with her career average of 3.6.

Kayla Day: Against opponents ranked outside top 100 players in the last 52 weeks, Kayla Day holds a 76-18 record (80.9%). Throughout her career, she has competed against opponents ranked outside top 100 444 times, winning 283 (63.7%). Over the past 10 matches, she holds a 5-5 record. Over the past 52 weeks, Kayla Day has posted a 80-21 record (79.2% win rate). Over her career at WTA level, Kayla Day holds a record of 6-18 (25.0%) on hard, 2-7 (22.2%) on clay, and 0-1 on grass. At Challenger/ITF level: 142-87 (62.0%) on hard, 111-49 (69.4%) on clay, and 1-4 (20.0%) on grass. In the last 52 weeks: 1-1 (50.0%) on hard and 0-1 on clay at WTA level. 40-3 (93.0%) on clay, 34-10 (77.3%) on hard, and 1-2 (33.3%) on grass at Challenger/ITF level. Kayla Day has won 10 titles at Challenger/ITF level (seven on hard and three on clay). Kayla Day is currently serving 4.0 aces per match in the last 52 weeks (101 matches), up from a career average of 3.5.